Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 1 4 2 8 1 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to √Ia. Ia. 1/Ia. Ia2. √Ia. Ia. 1/Ia. Ia2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to high filed circuit resistance. zero or very low voltage supply. over load. all of these. high filed circuit resistance. zero or very low voltage supply. over load. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is not found in which motor? DC compound. DC series. DC shunt. Induction motor. DC compound. DC series. DC shunt. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the load current and the flux of a DC motor are held constant and voltage applied across its armature is increased by 5%, the speed of the motor will remain unchanged. depend on other factors. reduce by 5 %. increase by 5 %. remain unchanged. depend on other factors. reduce by 5 %. increase by 5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is 0.25. near to 1. 0.5. Greater than 1. 0.25. near to 1. 0.5. Greater than 1. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS